DeepSeek V4.1 Flash 1017 vs Qwen3.8 27B
API pricing, context, and independently measured performance, side by side. Qwen3.8 27B starts 75% cheaper on input than DeepSeek V4.1 Flash 1017 at list prices.
DeepSeek V4.1 Flash 1017
DeepSeek · released Oct 17, 2026
Best input$0.08 / MTok
Best output$0.18 / MTok
Context1.05M
Providers19
Fastest measured0.69s° TTFT · 131 tok/s
Open weightsVisionToolsReasoningStructured outputPrompt caching
Qwen3.8 27B
Qwen · released Aug 14, 2026
Best input$0.02 / MTok
Best output$0.50 / MTok
Context1M
Providers21
Fastest measured0.5s° TTFT · 224 tok/s
Open weightsVisionToolsReasoningStructured outputPrompt caching
Cheapest providers, measuredUSD / MTOK
| MODEL | PROVIDER | INPUT | OUTPUT | TTFT | TPS | SMOKE |
|---|---|---|---|---|---|---|
| DeepSeek V4.1 Flash 1017 |  Relace | $0.05 | $0.024 | 0.69s° | 131° tok/s | — |
| DeepSeek V4.1 Flash 1017 |  InferenceNet | $0.08 | $0.50 | — | — | — |
| DeepSeek V4.1 Flash 1017 |  Morph | $0.08 | $0.60 | — | — | — |
| Qwen3.8 27B | TETenstorrent | $0.02 | $0.50 | — | — | — |
| Qwen3.8 27B |  Darkbloom | $0.035 | $2.20 | — | — | — |
| Qwen3.8 27B |  Chutes | $0.039 | $1.25 | — | — | 4/5 |
TTFT/TPS: ModelIndex-measured medians (P50, trailing 21d) · chat10k profile (~10K in / 200 out) · ° = measured via OpenRouter routing (adds a hop) · SMOKE: of 5 programmatic capability probes passed · methodology v1.1 — full details on each model page